It happens all the time; some darts go missing when you are blasting away in a nerf battle. Instead of stopping the game and searching for darts; keep refills nearby so you spend less time looking for darts and more time playing. With this 20 dart refill set; you can reload nerf elite 2.0 blasters and keep on battling. Reload with official nerf foam darts. Nerf elite 2.0 darts are compatible with all official nerf blasters that use elite darts. Gear up for battle with nerf elite 2.0 blasters that feature built in customizing capabilities so you can upgrade them and seize the advantage in nerf competitions.